From 7bb8fb70c491bd6f5ec99728db8d1b5f43b95471 Mon Sep 17 00:00:00 2001 From: Clemens Ladisch Date: Mon, 15 Nov 2010 10:49:47 +0100 Subject: [PATCH] ALSA: hda-intel: support for period wakeup disabling Allow disabling period wakeup interrupts for HDA PCM streams. Signed-off-by: Pierre-Louis Bossart Signed-off-by: Clemens Ladisch Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_intel.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 21aa9b0e28f6..a78ea34863ee 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1235,7 +1235,8 @@ static int azx_setup_periods(struct azx *chip, pos_adj = 0; } else { ofs = setup_bdle(substream, azx_dev, - &bdl, ofs, pos_adj, 1); + &bdl, ofs, pos_adj, + !substream->runtime->no_period_wakeup); if (ofs < 0) goto error; } @@ -1247,7 +1248,8 @@ static int azx_setup_periods(struct azx *chip, period_bytes - pos_adj, 0); else ofs = setup_bdle(substream, azx_dev, &bdl, ofs, - period_bytes, 1); + period_bytes, + !substream->runtime->no_period_wakeup); if (ofs < 0) goto error; } @@ -1515,7 +1517,8 @@ static struct snd_pcm_hardware azx_pcm_hw = { /* No full-resume yet implemented */ /* SNDRV_PCM_INFO_RESUME |*/ SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_SYNC_START), + SNDRV_PCM_INFO_SYNC_START | + SNDRV_PCM_INFO_NO_PERIOD_WAKEUP), .formats = SNDRV_PCM_FMTBIT_S16_LE, .rates = SNDRV_PCM_RATE_48000, .rate_min = 48000, -- 2.30.2